Moustapha, Aoula, and Shaaban Abbas. “Determination of Concentrations of Heavy Metals in Some Tattoo Inks Sold in Some Syrian Cities (Homs, Tartous, Yabroud, DeirAtiya and Nabek)”. Tishreen University Journal -Basic Sciences Series 40, no. 5 (November 14, 2018). Accessed May 13, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/4647.